code: def on_dockLocationChanged(self):
      main: QtWidgets.QMainWindow = self.parent()
      all_dock_widgets = main.findChildren(QtWidgets.QDockWidget)
  
      for dock_widget in all_dock_widgets:
          sibling_tabs = main.tabifiedDockWidgets(dock_widget)
          # If you pull a tab out of a group the other tabs still see it as a sibling while dragging...
          sibling_tabs = [s for s in sibling_tabs if not s.isFloating()]
  
          if len(sibling_tabs) != 0:
              # Hide title bar
              dock_widget.setTitleBarWidget(QtWidgets.QWidget())
          else:
              # Re-enable title bar
              dock_widget.setTitleBarWidget(None)
  
      if self.isFloating():
          self.setWindowTitle(f"{self.title} ({self.pgdf_name})")
      else:
          self.setWindowTitle(self.title)
  
file_path: PandasGUI/pandasgui/widgets/dock_widget.py
imports: from PyQt5 import QtCore, QtGui, QtWidgets
  from PyQt5.QtCore import Qt
label_desc: Use image node_id 4 for calling the DockWidget obj's underlying member method code with example usage: obj.on_dockLocationChanged() without return types